Casio CTK-650- Manual

Page 3 - SPECIFICATION

— 1 — Number of keys: 61 Polyphony: 32-note(max.) Preset tones: 128 Magical preset: BREAK BEAT 16 MELODYCOMP 8 SHADOW DRUM 4 FREE SESSION 32 TONE STACK 40 KEY SPLIT 12 HYPERACTIVE 16 Auto-accompaniment: Rhythm patterns 128 Tempo Adjustable(40 - 255) Chords Three system: CASIO CHORD, FINGERD, FULL-RA...

Page 4 - BLOCK DIAGRAM

— 2 — BLOCK DIAGRAM Keyboard KC0~KC7 SI0~SI7 FI0~FI7 Key Touch LSI HG52E35P D0~D7 RAM-1(64K)MN4464-08L-1 CPU HD6433298A16P (H8/329) 7-Segment LED LO0~LO4 LED driver BA612 La~Lp KO0~KO5 Buttons KI1~KI7 100K VDD Power Switch MIDI IN OUT RAM-2(64K) MN4464-08L-2 EA0~EA12 ED0~ED7 LSI-S HG51A115A01FD RA0~...

Page 5 - CIRCUIT DESCRIPTION

— 3 — CIRCUIT DESCRIPTION CPU(HD6433298A16P : H8/329) The 16-bit CPU contains a 32K-byte ROM, a 1K-byte RAM, an 8-bit A/D converter, timers and I/O ports. TheCPU accesses to the DSP, Key Touch LSI, RAM, buttons and LEDs. But the CPU directly receives MIDI andpedal signals. Pin No. Terminal In/Out Fu...

Page 9 - BUTTON MATRIX

— 7 — BUTTON MATRIX Nomenclature of Keys F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6 D#3 C2 D2 E2 F2 G2 A2 B2 C3 D3 E3 B6 A6 G6 F6 E6 D6 C7 C#3 A#2 G#2 F#2 D#2 C#2 A#6 G#6 F#6 D#6 C#6 K I 1 K I 2 K I 3 K I 4 K I 5 K I 6 K I 7 K O 0 3 0...

Page 10 - KEY MATRIX

— 8 — KEY MATRIX Note:Each key has two contacts, the first contact 1 and second contact . 2 KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7 FI0 C2 1 C#2 1 D2 1 D#2 1 E2 1 F2 1 F#2 1 G2 1 SI0 C2 2 C#2 2 D2 2 D#2 2 E2 2 F2 2 F#2 2 G2 2 FI1 G#2 1 A2 1 A#2 1 B2 1 C3 1 C#3 1 D3 1 D#3 1 SI1 G#2 2 A2 2 A#2 2 B2 2 C3 2 C#3...

Page 11 - WIRING DIAGRAM

— 9 — WIRING DIAGRAM FI1 FI2 FI0 SI0 SI1 SI2 SI3 FI3 KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7 KC0 KC1 KC2 KC3 KC4 KC5 FI4 SI4 KC6 KC7 SI5 SI6 SI7 FI5 FI6 FI7 M616T-KY1M JA CONNECTOR 1 17 M616T-KY2M JB-CONNECTOR 1 17 JA-CONNECTOR JB-CONNECTOR LG POWER PWLD KO5 KO4 KO3 KO2 KO1 KO0 KI1 KI2 KI3 KI4 KI5 KI6 KI7 L...

Page 12 - IC LEAD IDENTIFICATION AND INTERNAL CIRCUIT

— 10 — IC LEAD IDENTIFICATION AND INTERNAL CIRCUIT UPD6376CX (D/A converter) TIMING GENERATOR SHIFT REGISTER LATCH MAIN DAC SUB DAC SUB DAC MAIN DAC LRCK LRSEL/RSI SI/LSI CLK 4/8 fs SEL D.GND N.C. D.VDD A.GND A.VDD R.OUT R.REF L.REF L.OUT 11 10 9 6 8 7 12 5 4 3 13 14 15 16 1 2 TC74HC174AP (HEX D-TYP...

Page 14 - PCB VIEW & MAJOR WAVEFORMS

— 12 — 1 10 11 12 13 2 5 3 6 4 7 17 8 9 16 15 19 18 14 PCB VIEW & MAJOR WAVEFORMS

Page 15 - SCHEMATIC DIAGRAM

— 13 — 18 19 16 17 9 8 14 15 4 7 3 6 2 5 10 11 12 13 1 SCHEMATIC DIAGRAM M5711-MA1M

Page 17 - PARTS LIST; Prices and specifications are subject to change with-

PARTS LIST CTK-650 Notes: 1. Prices and specifications are subject to change with- out prior notice. 2. As for spare parts order and supply, refer to the "GUIDEBOOK for Spare parts Supply", publishedseparately. 3. The numbers in item column correspond to the same numbers in drawing.

Page 21 - EXPLODED VIEW

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